US20160130024A1 - Packaging machine having a sealing means - Google Patents

Packaging machine having a sealing means Download PDF

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Publication number
US20160130024A1
US20160130024A1 US14/897,276 US201414897276A US2016130024A1 US 20160130024 A1 US20160130024 A1 US 20160130024A1 US 201414897276 A US201414897276 A US 201414897276A US 2016130024 A1 US2016130024 A1 US 2016130024A1
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US
United States
Prior art keywords
film web
packaging machine
lower film
sealing
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US14/897,276
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English (en)
Inventor
Reiner Paul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEA Food Solutions Germany GmbH
Original Assignee
GEA Food Solutions Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEA Food Solutions Germany GmbH filed Critical GEA Food Solutions Germany GmbH
Assigned to GEA FOOD SOLUTIONS GERMANY GMBH reassignment GEA FOOD SOLUTIONS GERMANY GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PAUL, REINER
Publication of US20160130024A1 publication Critical patent/US20160130024A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/025—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers
    • B65B31/028—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers closed by a lid sealed to the upper rim of the container, e.g. tray-like container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/046—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles co-operating, or being combined, with a device for opening or closing the container or wrapper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved

Definitions

  • the present invention relates to a packaging machine comprising a sealing station which uses a sealing means to seal an upper film web to a lower film web, said sealing means having at least one opening, connected to a vacuum source and/or to a source of substitute gas.
  • the present, invention further relates to a sealing frame assembly.
  • Packaging machines of this type are well known from the prior art and are used, for instance, to close off a packaging tray, which is deep-drawn into the lower film web and has subsequently been filled, with a cover film, by sealing of the upper film to the lower film.
  • a gas exchange often takes place in and/or before the sealing station, i.e. the air or gas present inside the packaging is extracted by means of an underpressure and/or replaced, at least partially, by a substitute gas, which is introduced, in particular injected, between the upper and the lower film.
  • these packaging machines generally produce per machine cycle several packagings simultaneously, in which the gas exchange is preferably intended to take place individually or identically.
  • a packaging machine comprising a sealing station which uses a sealing means to seal an upper film web to a lower film web, said sealing means having at least one opening, connected to a vacuum source and/or to a source of substitute gas, wherein in the sealing means is provided at least one valve, with which the gas flow at the opening is adjustable.
  • the present invention relates to a packaging machine, in particular a form fill seal packaging machine (FFS packaging machine).
  • FFS packaging machine a form fill seal packaging machine
  • a lower film web is transported, in particular in cycles, along the packaging machine, and firstly one or more packaging tray(s) is/are formed into the lower film web.
  • each packaging tray is filled in a filling station with a product to be packed, in particular food slices, or other weighable and/or countable products to be packed, in particular foodstuffs, and afterwards closed off with a cover film, which is fastened, in particular sealed, to the packaging tray.
  • a multiplicity of packaging trays substantially simultaneously, is preferably deep drawn, filled and provided with a cover film. This multiplicity of packaging trays is referred to as a so-called format, containing (X ⁇ Y) packaging trays.
  • the sealing of the upper film to the lower film is realized, under the influence of heat and pressure, with a sealing means.
  • This sealing means is preferably a heated sealing frame, which predefines the shape of the sealing seam and which generally has for each packaging tray a recess which at least partially receives the packaging tray during the sealing process.
  • the sealing frame seals the cover film simultaneously to all packaging trays of a format, is preferably provided beneath the lower film web, and is preferably raised for the sealing and preferably lowered after the sealing. When raised, the sealing frame is pressed against an upper tool, for instance a sealing frame or a plate.
  • the two film webs, which are located between the sealing frame assembly and the upper tool are here pressed one against the other and are sealed to each other under the influence of heat.
  • a sealing tool in particular the sealing frame assembly, now has at least one opening, connected to a vacuum source and/or to a source of substitute gas. Through this opening, either air present between the two film webs is extracted and/or a substitute gas is injected between the two film webs.
  • the openings extend preferably in a row running parallel to the transport direction of the lower film web.
  • at least one, preferably a multiplicity of holes are made in the lower film web, preferably before the sealing station, through which holes the gas enters into the space between the two film webs or is sucked out of this same.
  • the vacuum can also be introduced and/or the gas exchange realized by means of longitudinally and/or transversely disposed nozzles, so-called longitudinal and transverse nozzles, as disclosed, for instance, in DE 102006020360.
  • a valve with which the flow at the opening is adjustable, i.e. for instance volumetric rate of flow per unit of time, flow direction and/or flow velocity.
  • the gas flow i.e. the aspiration of the air and/or the injection of the substitute gas for each packaging tray of a format can be regulated individually or in groups. It is thereby possible for each format to receive in the packaging trays substantially the same gas atmosphere or to obtain specifically different conditions.
  • a conduit for instance in the form of a bore, is provided in the tool, in particular in the sealing frame assembly, which conduit connects one or more openings to a vacuum source and/or source of substitute gas.
  • a valve with which the cross section of the conduit at the site of the valve can be altered in order to adjust the flow resistance, and thus the quantity of gas which is sucked into the opening or blown out of the opening, or the flow velocity of the gas.
  • Targeted adjustment of the flow velocity of the gas can be used, for instance, to prevent products which are light and/or have a tendency to move, slip, or even to fly away, such as, for instance, sausage slices with low fat content and low mutual adhesive effect, from moving and/or flying away.
  • a blind hole into which a cylinder having a through bore is introduced, is provided in the conduit.
  • the through bore can be fully or only partially aligned with the conduit and thereby alter the flow cross section. It is also possible, however, to screw into the blind hole a screw, or a valve tappet, which alters the cross section of the blind hole, and thus of the conduit.
  • the valve can be driven by manual or motorized means.
  • each valve can be realized automatically, by a sensor, for instance, measuring the atmosphere in the packaging or the flow velocity at the opening and then adjusting the respective valve accordingly.
  • the sealing tool in particular the sealing frame assembly, has a multiplicity of openings, the flow of which is at least partially, preferably fully, individually adjustable.
  • the valve has a locking means, which locks it in its respective position, so that it does not independently shift during operation of the packaging machine.
  • a locking means of this type is, for instance, a varnish.
  • a further subject of the present invention is a sealing frame assembly, having an opening connected to a conduit, wherein in the conduit is provided a valve, with which a gas stream out of or into the opening is adjustable.
  • the sealing frame assembly has a multiplicity of openings, which are preferably provided on mutually opposite sides, in particular along a line.
  • each opening is connected to a gas conduit, which is preferably incorporated, in particular by drilling, into the wall of the sealing frame assembly.
  • Each gas conduit is connected to a vacuum source and/or source of substitute gas.
  • a valve In each of these conduits is provided a valve, with which the gas stream through the respective conduit can be adjusted.
  • each conduit is provided a blind hole, which serves as a seat for a valve body, for instance a cylinder, or into which a valve body can be screwed.
  • a blind hole which serves as a seat for a valve body, for instance a cylinder, or into which a valve body can be screwed.
  • a further subject of the present invention is a nozzle, preferably a transverse and/or longitudinal nozzle, having one or more openings connected to a conduit, wherein in one or each conduit is provided a valve, with which a gas stream out of or into the opening is adjustable.
  • FIG. 1 shows the packaging machine according to the invention.
  • FIG. 2 shows the sealing means, here a sealing frame assembly.
  • FIG. 3 shows a valve
  • FIG. 1 shows the packaging machine 1 according to the invention, which has a deep drawing station 2 , a filling station 7 and a sealing station 15 .
  • a lower film web 8 here a plastics film web 8 , is unreeled from a supply roll and is transported in cycles from right to left along the packaging machine according to the invention. In a cycle, the lower film web 8 is transported onward by one format length.
  • the packaging machine has two transport means (not represented), in the present case respectively two continuous chains, which are disposed to the right and left of the lower film web 8 . Both at the start and at the end of the packaging machine there is respectively provided for each chain at least one gearwheel, around which the respective chain is looped. At least one of these gearwheels is driven.
  • the gearwheels in the inlet region and/or in the outlet region can be connected to each other, preferably by a rigid shaft.
  • Each transport means has a multiplicity of clamping means, which clampingly grasp the lower film web 8 in the infeed region 19 and transmit the movement of the transport means to the lower film web 8 .
  • the clamping connection between the transport means and the lower film web 8 is released again.
  • Downstream of the infeed region 19 is provided a heating means 13 , which heats the film web 8 , in particular when this is stationary.
  • the packaging trays 6 are formed into the warmed film web 8 .
  • the lower tool 4 is disposed on a lifting table 5 , which, as is symbolized by the double arrow, is vertically adjustable. Prior to each film advancement, the lower tool 4 is lowered and afterwards is raised again. Further along the packaging machine, the packaging trays are then filled in the filling station 7 with the product to be packed 16 .
  • sealing station 15 which likewise consists of an upper tool 12 and a vertically adjustable lower tool 11 , an upper film 14 is integrally fastened, by sealing, to the lower film web 8 .
  • the upper tool and/or the lower tool, before and after each film transport, are raised and lowered respectively.
  • the upper film 14 can be guided in transport means or be transported by transport chains, wherein these transport means then extend only from the sealing station and, if necessary, downstream. Otherwise the statements which were made with regard to the transport means of the lower film apply.
  • the upper film too can be warmed with a heating means and deep drawn.
  • a heatable sealing frame for instance, which for each packaging tray has an opening into which the packaging tray intrudes during the sealing process, i.e. upon the upward movement of the lower sealing tool, is provided as the lower tool 11 .
  • the upper and the lower film web are pressed together between the upper and the lower tool 12 , 11 and are joined under the influence of heat and pressure. Following the sealing, the tools 11 , 12 are moved vertically apart again.
  • each packaging tray Before and/or during the sealing of the upper film to the lower film, a gas exchange takes place in each packaging tray. For this, the air present in the packaging tray is firstly partially extracted and then replaced by a substitute gas. For this, in the region of each format, holes are made in the lower film in the region of the transport chains, in the lower film web, through which holes the air between the film webs 8 , 14 is extracted and the substitute gas is then injected. Further along the packaging machine, the completed packagings are singularized, which in the present case is realized with the transverse cutter 18 and the longitudinal cutter 17 . In the present case, the transverse cutter 18 is likewise raisable and lowerable with a lifting device 9 .
  • FIG. 2 shows details of the sealing frame assembly 20 , which in the present case constitutes the lower tool 11 .
  • This sealing frame assembly is heated for sealing purposes and consequently has heating means (not represented).
  • the sealing frame assembly has a multiplicity of openings 22 , through which air can flow in or a substitute gas can flow out.
  • These openings 22 are respectively connected to a conduit 21 , which is incorporated, here drilled, into the sealing frame assembly and which connects each opening 22 to a vacuum source and/or to a source of substitute gas.
  • a valve In the conduit 21 is respectively provided a valve, with which the gas stream out of the opening 22 or into the opening 22 can be adjusted or regulated.
  • the valve is provided as a blind hole in the conduit 21 , which blind hole serves as a valve seat for a valve body 23 , here a cylindrical body having a through bore 25 .
  • the body has a seal 26 , here an O-ring seal, and is arranged in the blind hole such that the through bore 25 can be aligned with the conduit 21 when the valve is intended to be fully open.
  • the valve body has a slot, which can receive the tip of a screwdriver with which the adjustment of the valve is realized.
  • FIG. 3 shows the valve body 23 in detail.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Vacuum Packaging (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
US14/897,276 2013-06-12 2014-06-04 Packaging machine having a sealing means Abandoned US20160130024A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013210919.9 2013-06-12
DE102013210919 2013-06-12
PCT/EP2014/061623 WO2014198613A1 (de) 2013-06-12 2014-06-04 Verpackungsmaschine mit einem siegelmittel

Publications (1)

Publication Number Publication Date
US20160130024A1 true US20160130024A1 (en) 2016-05-12

Family

ID=50896298

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/897,276 Abandoned US20160130024A1 (en) 2013-06-12 2014-06-04 Packaging machine having a sealing means

Country Status (8)

Country Link
US (1) US20160130024A1 (ru)
EP (1) EP3007982B1 (ru)
CN (1) CN105408212A (ru)
BR (1) BR112015030694A2 (ru)
ES (1) ES2632249T3 (ru)
MX (1) MX2015016870A (ru)
RU (1) RU2652160C2 (ru)
WO (1) WO2014198613A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11591119B2 (en) * 2020-04-08 2023-02-28 Ulma Packaging, S. Coop. Product packaging method and machine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3239061B1 (de) 2016-04-28 2018-11-07 MULTIVAC Sepp Haggenmüller SE & Co. KG Verpackungsmaschine mit einer siegelvorrichtung mit einer druckabhängigen vakuumdrossel
JP2021526112A (ja) * 2018-06-01 2021-09-30 テトラ ラバル ホールディングス アンド ファイナンス エス エイ 包装機及びシールされた包装容器を製造するための方法
WO2020099634A2 (de) * 2018-11-15 2020-05-22 Gea Food Solutions Germany Gmbh Doppelpackung mit unterschiedlicher begasung

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US3189505A (en) * 1956-12-24 1965-06-15 Mayer & Co Inc O Method and apparatus for forming a package
US3645065A (en) * 1970-03-05 1972-02-29 Mayer & Co Inc O Packaging machine
US3815322A (en) * 1972-05-08 1974-06-11 I Wyslotsky Packaging machine
US3830038A (en) * 1972-11-02 1974-08-20 Ventura Mfg Co Automatic bag pickup, opening and placement machine
US4077180A (en) * 1976-06-17 1978-03-07 Portion Packaging, Inc. Method and apparatus for packaging fluent material
US4388272A (en) * 1981-04-08 1983-06-14 Northwestern University Method and apparatus for precise control of vapor phase concentrations of volatile organics
US4472924A (en) * 1981-08-01 1984-09-25 Robert Bosch Gmbh Apparatus for gas-treatment and closure of packaging containers
US5071667A (en) * 1986-07-24 1991-12-10 Lieder Maschinenbau Gmbh & Co. Kg. Method of preserving foodstuffs in cup-shaped containers
US4791775A (en) * 1987-04-22 1988-12-20 Raque Food Systems, Inc. Packaging device
US4938255A (en) * 1989-11-20 1990-07-03 Huntington Mechanical Laboratories, Inc. Sealer for vacuum containers
US5038820A (en) * 1990-06-08 1991-08-13 Philip L. Ames Automatic fluid shutoff system
US5271207A (en) * 1992-11-18 1993-12-21 Moshe Epstein Dual-function nozzle head for vacuum-packaging tooling
US5689937A (en) * 1993-11-18 1997-11-25 World Class Packaging Systems, Inc. Method for packing food
US6363971B1 (en) * 2000-11-20 2002-04-02 Whirlpool Corporation Integrated gas valve assembly
US7887510B2 (en) * 2003-12-08 2011-02-15 Boehringer Laboratories, Inc. Suction control apparatus and methods for maintaining fluid flow without compromising sterile lines
US20090071100A1 (en) * 2007-07-06 2009-03-19 Multivac Sepp Haggenmuller Gmbh & Go. Kg Packaging machine and method for producing packages made of a film
US8397475B2 (en) * 2009-05-25 2013-03-19 Multivac Sepp Haggenmueller Gmbh & Co. Kg Packaging machine with gas concentration measuring device
US9162825B2 (en) * 2009-08-10 2015-10-20 Gruppo Fabbri Vignola S.P.A. Machine for packaging products in rigid or semirigid trays sealed across the top by a thermoplastic film, particularly for producing packs in a modified atmosphere
US20140013704A1 (en) * 2011-01-27 2014-01-16 Cfs Germany Gmbh Packaging machine and method for producing evacuated and/or gassed packagings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11591119B2 (en) * 2020-04-08 2023-02-28 Ulma Packaging, S. Coop. Product packaging method and machine

Also Published As

Publication number Publication date
ES2632249T3 (es) 2017-09-12
CN105408212A (zh) 2016-03-16
RU2016100208A (ru) 2017-07-17
MX2015016870A (es) 2016-04-07
WO2014198613A1 (de) 2014-12-18
BR112015030694A2 (pt) 2017-07-25
EP3007982B1 (de) 2017-04-05
EP3007982A1 (de) 2016-04-20
RU2652160C2 (ru) 2018-04-25

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